Home / 18,710.19-28,069.91-5,562.50

Finding the Fourth Proportional to 18,710.19, 28,069.91 and 5,562.50

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Solution

The fourth proportional to 18,710.19, 28,069.91 and 5,562.50 is: 8,345.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,710.19 : 28,069.91 = 5,562.50 : x
  2. Step 2: Convert to fraction form
    18,710.19/28,069.91 = 5,562.50/x
  3. Step 3: Cross multiply
    18,710.19x = 28,069.91 × 5,562.50
  4. Step 4: Simplify right side
    18,710.19x = 156,138,874.38
  5. Step 5: Solve for x
    x = 156,138,874.38/18,710.19
  6. Step 6: Final answer
    x = 8,345.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.